10 以加减法练习题㈠5+4=3+6=4+2=9+0=2+7=1+7=6+4=7+3=2+3=0+10=10-2=9-3=8-7=9-5=6-2=5-4=10-9=7-3=8-4=7-6=2+6=9－7=3＋2=3＋4=5+4=3＋5...
44-24+11=52-28+9=80-20-60=74-50-17=84-20-25=64-34-17=40-28+2843-29+2760-30+1039-23-13=59+11+11=45-9-34=•■99-85-12=98-12-84=34+18...
14-(59-57)=16-(87-84)=22+10+0=66+31-57=91-(82-50)=85+9-91=33+9+6=32-(73-62)=76+9-27=85-(54-49)=76-24-6=77-(13+12)=73-50-12=72-(7+3...
225＋214=725－388=409－324=560＋380=521＋286=292－187=340－153=725－388=197+535=366＋207=705－679=292－187=362－138=900－405=509－...
+913+15+436+16+2211+56+10=6+42+29=50+16+1834+18+18=2+27+41=43+43+52+13+23=59+103+43+2919+64+6=54+26+12=47+31+10=6+41+5163-40-1=-28...
1/222+6+2=8-7+16=11-1+5=8+6+4=5+3+2=6+10-5=7-4+8=8+9-6=4+0+3=19-4-5=8-3+8=9-1+7=10-3-7=10-8+3=9+9-7=7+8-5=9-3-6=7+8-4=8+7-5=4+1+6=...
